Pith Number

pith:XFI4KELC

pith:2007:XFI4KELCTUVZNWABVIKCQAPWLE

not attested not anchored not stored refs pending

S-integral preperiodic points for dynamical systems over number fields

Clayton Petsche

arxiv:0709.3879 v2 · 2007-09-25 · math.NT · math.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XFI4KELCTUVZNWABVIKCQAPWLE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:58:12.287994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b951c511629d2b96d801aa142801f6590205bd5060e61b661fb1bc45e9ed4d9c

Aliases

arxiv: 0709.3879 · arxiv_version: 0709.3879v2 · doi: 10.48550/arxiv.0709.3879 · pith_short_12: XFI4KELCTUVZ · pith_short_16: XFI4KELCTUVZNWAB · pith_short_8: XFI4KELC

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/XFI4KELCTUVZNWABVIKCQAPWLE \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: b951c511629d2b96d801aa142801f6590205bd5060e61b661fb1bc45e9ed4d9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adb4b33c7a8ec8a02ac82d46c708923f49d62d3b68441f4c792fb69db80ebbbd",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "",
    "primary_cat": "math.NT",
    "submitted_at": "2007-09-25T05:47:13Z",
    "title_canon_sha256": "051709f9266a5454b867645276232675dfdcea01a32f3548d1881e4ca3406a14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.3879",
    "kind": "arxiv",
    "version": 2
  }
}